SOLUTIONS AND ROADMAP FOR COMPREHENSIVE REMEDIATION OF WATER ECOLOGICAL ENVIRONMENT IN URBAN AREAS OF THE MIDDLE AND LOWER REACHES OF THE YANGTZE RIVER

WANG Zheng; ZENG Lingwu; ZHANG Yanyan; ZHU Hongtao; WANG Zhenbei; SUN Dezhi

doi:10.13205/j.hjgc.202303001

Volume 41 Issue 3

Mar. 2023

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WANG Zheng, ZENG Lingwu, ZHANG Yanyan, ZHU Hongtao, WANG Zhenbei, SUN Dezhi. SOLUTIONS AND ROADMAP FOR COMPREHENSIVE REMEDIATION OF WATER ECOLOGICAL ENVIRONMENT IN URBAN AREAS OF THE MIDDLE AND LOWER REACHES OF THE YANGTZE RIVER[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(3): 1-11,41. doi: 10.13205/j.hjgc.202303001

Citation:

WANG Zheng, ZENG Lingwu, ZHANG Yanyan, ZHU Hongtao, WANG Zhenbei, SUN Dezhi. SOLUTIONS AND ROADMAP FOR COMPREHENSIVE REMEDIATION OF WATER ECOLOGICAL ENVIRONMENT IN URBAN AREAS OF THE MIDDLE AND LOWER REACHES OF THE YANGTZE RIVER[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(3): 1-11,41. doi: 10.13205/j.hjgc.202303001

Citation:

WANG Zheng, ZENG Lingwu, ZHANG Yanyan, ZHU Hongtao, WANG Zhenbei, SUN Dezhi. SOLUTIONS AND ROADMAP FOR COMPREHENSIVE REMEDIATION OF WATER ECOLOGICAL ENVIRONMENT IN URBAN AREAS OF THE MIDDLE AND LOWER REACHES OF THE YANGTZE RIVER[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(3): 1-11,41. doi: 10.13205/j.hjgc.202303001

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SOLUTIONS AND ROADMAP FOR COMPREHENSIVE REMEDIATION OF WATER ECOLOGICAL ENVIRONMENT IN URBAN AREAS OF THE MIDDLE AND LOWER REACHES OF THE YANGTZE RIVER

doi: 10.13205/j.hjgc.202303001

WANG Zheng^1,2,
ZENG Lingwu^1,2,
ZHANG Yanyan^1,2,
ZHU Hongtao^1,2,
WANG Zhenbei^1,2,
SUN Dezhi^{1,2
,
,}

1. Beijing Key Laboratory for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China;
2. Research Center for Source Control & Eco-Remediation of Water Pollution, Beijing Forestry University, Beijing 100083, China

Received Date: 2021-12-29
Available Online: 2023-05-26
Publish Date: 2023-03-01

Abstract

Abstract

In order to improve the quality of the water ecological environment in the urban area of the middle and lower reaches of the Yangtze River, 65 prefecture-level cities in this area were studied and analyzed to clarify the current situations of urban waters from the perspectives of water resources, water quality and aquatic ecology, and to identify problems with urban waters. The results show that the pressure on the water resource is high and still increasing, due to the large quantity of water consumed in the urban areas and the low utilization rate of reclaimed water. The poor quality of urban waters, the degradation of aquatic ecology, and the eutrophication of urban lakes are due to a series of reasons, including the large quantity of sewage and industrial wastewater discharged, the sewer networks in bad maintenance and conditions, the low efficient sewage treatment plants, the heavy runoff pollution loading, the insufficient hydrodynamics, the pror connectivity between waterbodies, and the shrinking lake area, etc. Based on the problem analysis of the urban water ecological environment, the comprehensive remediation of urban waters in the middle and lower reaches of the Yangtze River was divided into three 5-year terms, i.e., the first term (2021—2025), the second term (2026—2030) and the third term (2031—2035), and the objectives, as well as the solutions and roadmap of each stage were proposed correspondingly.
- the middle and lower reaches of the Yangtze River,
- urban water ecological environment,
- problem analysis,
- comprehensive remediation,
- roadmap

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References(43)

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